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| author | Jani Nikula <jani.nikula@intel.com> | 2025-02-05 19:12:37 +0200 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2025-02-05 19:12:37 +0200 |
| commit | ea9f8f2b21795a5d80418a655bcb212d5b89e08f (patch) | |
| tree | 16190fb8cb798e7643667784b5a85f60de1f755e /include/linux/export.h | |
| parent | bdcdb913c2d36447ea49d33774e5d6093c55d6f7 (diff) | |
| parent | 2014c95afecee3e76ca4a56956a936e23283f05b (diff) | |
Merge drm/drm-next into drm-intel-next
Sync with v6.14-rc1.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'include/linux/export.h')
| -rw-r--r-- | include/linux/export.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/export.h b/include/linux/export.h index 2633df4d31e6..a8c23d945634 100644 --- a/include/linux/export.h +++ b/include/linux/export.h @@ -52,9 +52,24 @@ #else +#ifdef CONFIG_GENDWARFKSYMS +/* + * With CONFIG_GENDWARFKSYMS, ensure the compiler emits debugging + * information for all exported symbols, including those defined in + * different TUs, by adding a __gendwarfksyms_ptr_<symbol> pointer + * that's discarded during the final link. + */ +#define __GENDWARFKSYMS_EXPORT(sym) \ + static typeof(sym) *__gendwarfksyms_ptr_##sym __used \ + __section(".discard.gendwarfksyms") = &sym; +#else +#define __GENDWARFKSYMS_EXPORT(sym) +#endif + #define __EXPORT_SYMBOL(sym, license, ns) \ extern typeof(sym) sym; \ __ADDRESSABLE(sym) \ + __GENDWARFKSYMS_EXPORT(sym) \ asm(__stringify(___EXPORT_SYMBOL(sym, license, ns))) #endif |